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Finding the Fourth Proportional to 617,941.60, 926,134.80 and 547,957.60

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Solution

The fourth proportional to 617,941.60, 926,134.80 and 547,957.60 is: 821,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,941.60 : 926,134.80 = 547,957.60 : x
  2. Step 2: Convert to fraction form
    617,941.60/926,134.80 = 547,957.60/x
  3. Step 3: Cross multiply
    617,941.60x = 926,134.80 × 547,957.60
  4. Step 4: Simplify right side
    617,941.60x = 507,482,602,284.48
  5. Step 5: Solve for x
    x = 507,482,602,284.48/617,941.60
  6. Step 6: Final answer
    x = 821,246.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.